Windows and insulation came next, and then prefabricated bathrooms and kitchen modules were installed. Finally the unit was lifted by crane into position on the building.
下一步是生产窗和隔热层，之后是安装预制浴室和厨房模块，最后这个单元被起重机吊起来放置在这座建筑的相应位置上。
This unit group also includes prefabricated product installation and service contractors and proprietors of some repair and service establishments.
此单元组还包括预制产品安装及服务承办商和业主的一些维修和服务机构。
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